CN220660222U - Large tank weld polishing device - Google Patents
Large tank weld polishing device Download PDFInfo
- Publication number
- CN220660222U CN220660222U CN202322370463.4U CN202322370463U CN220660222U CN 220660222 U CN220660222 U CN 220660222U CN 202322370463 U CN202322370463 U CN 202322370463U CN 220660222 U CN220660222 U CN 220660222U
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- arc plate
- polishing roller
- polishing
- tank body
- fixed frame
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- 238000005498 polishing Methods 0.000 title claims abstract description 67
- 238000003466 welding Methods 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 1
- 238000005457 optimization Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a large tank weld polishing device, which comprises a vehicle body; the upper surface of the vehicle body is fixedly connected with a vertical fixing frame; one side surface of the upper part of the fixed frame is hinged with two profiling arc plate brackets; the polishing roller is rotatably connected between the two profiling arc plate brackets, and is connected with a driving mechanism; the profiling arc plate bracket comprises an arc plate corresponding to the shape of the outer wall of the tank body, the concave side of the arc plate is connected with at least two groups of supporting rollers, and the polishing roller is positioned between the two groups of supporting rollers and used for controlling the polishing roller to keep a certain distance with the side wall of the tank body when the supporting rollers prop against the outer wall of the tank body; the convex side of the arc-shaped plate is fixedly connected with a hinge part. The utility model can evenly polish the circular weld of the large tank body, and the polishing mechanism is connected with the supporting structure, thereby avoiding manual long-time handheld operation and being labor-saving and convenient.
Description
Technical Field
The utility model belongs to the technical field of manufacturing of large tank bodies, and particularly relates to a large tank body welding seam polishing device.
Background
For large tank bodies which bear high pressure, the welded seam is usually polished to be flat after welding in order to ensure the quality requirement of the annular welded seam. Traditional weld grinding is performed by manually holding a weld grinding machine. The problem is that the polishing effect of the mode is greatly influenced by manual operation, so that the height of the polished welding line is uneven and uneven, and the welding quality is influenced; moreover, the grinding machine is manually held for a long time, so that the labor intensity is increased.
Disclosure of Invention
In order to overcome the defects in the background art, the utility model provides the large tank weld polishing device, which aims to design a targeted polishing mechanism for the annular weld of the large tank in the horizontal posture under the state that a driving device drives the tank to rotate, evenly polish the weld, and the polishing mechanism is connected with a supporting structure, so that manual long-time handheld operation is avoided, and the polishing device is labor-saving and convenient.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a large tank weld polishing device comprises a vehicle body with wheels at the bottom; the upper surface of the vehicle body is fixedly connected with a vertical fixing frame; one side surface of the upper part of the fixed frame is hinged with two profiling arc plate brackets, and the profiling arc plate brackets can swing; the polishing roller is rotatably connected between the two profiling arc plate brackets, and is connected with a driving mechanism and used for driving the polishing roller to rotate so as to polish the welding seam; the profiling arc plate bracket comprises an arc plate corresponding to the shape of the outer wall of the tank body, the concave side of the arc plate is connected with at least two groups of supporting rollers, and the polishing roller is positioned between the two groups of supporting rollers and used for controlling the polishing roller to keep a certain distance with the side wall of the tank body when the supporting rollers prop against the outer wall of the tank body; the convex side of the arc-shaped plate is fixedly connected with a hinge part which is used for being hinged with the fixed frame.
As a further optimization, the driving mechanism comprises a motor fixedly arranged on the hinge part; the tail end of an output shaft of the motor is connected with a first belt pulley; the first belt pulley is connected with one end of a rotating shaft in the center of the polishing roller through a belt to form a belt transmission mechanism, and the motor drives the polishing roller to rotate through the belt transmission mechanism.
As a further optimization, two ends of at least one spring are respectively connected to the hinge part and the fixed frame and used for controlling the concave side of the arc-shaped plate to be opposite to the outer wall of the tank body.
As a further optimization, at least two springs are provided, namely a tension spring and a compression spring; the tension spring and the compression spring are respectively positioned above and below the hinge.
As further optimization, a pair of supports are fixedly arranged on the side face of the fixed frame; the support and the hinge part are respectively provided with the same shaft hole; the hinge shaft penetrates through shaft holes in the support and the hinge part and is used for coaxially hinging the two profiling guard plate supports with the fixed frame.
As a further optimization, an observation window is arranged in the middle of the fixed frame.
As further optimization, a rotating shaft seat is fixedly arranged on the concave side of the arc-shaped plate; two ends of the rotating shaft are respectively and rotatably inserted on the rotating shaft seat and used for rotating the polishing roller; one end of the rotating shaft penetrates through the rotating shaft seat and is fixedly connected with the second belt pulley, and the second belt pulley is used for being connected with the motor.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The device avoids the situation that a person holds the polishing tool for a long time, and reduces labor intensity.
(2) When the device polishes the welding line, the distance between the polishing roller and the lateral outer wall of the tank body is controlled and maintained by the profiling arc plate bracket and the supporting roller, so that the polishing amount of the polishing roller is kept constant, and the welding line is polished uniformly and flatly.
(3) The polishing mechanism of the device is arranged on the movable vehicle body, so that the device can be moved integrally and is convenient to use. Can be moved to the side of the tank body after welding is finished, and does not occupy the working site.
In a word, the annular welding seam of the large tank body can be uniformly polished, and the polishing mechanism is connected with the supporting structure, so that manual long-time handheld operation is avoided, and the polishing device is labor-saving and convenient.
Drawings
FIG. 1 is a schematic plan view of a weld joint polishing apparatus according to example 1 of the present utility model;
FIG. 2 is a schematic view of a three-dimensional mechanism of a part of the structure of embodiment 1 of the present utility model;
fig. 3 is a partial enlarged view at a of fig. 2.
The corresponding relation between the technical characteristics and the reference numerals in the drawings is as follows: a vehicle body 1; a wheel 11; a fixed frame 2; a support 21; a hinge shaft 22; a viewing window 23; a profiling arc plate bracket 3; an arc plate 31; a support roller 32; a hinge 33; a rotating shaft seat 34; a grinding roller 4; a motor 41; a first pulley 42; a second pulley 43; a rotation shaft 44; a tension spring 5; a compression spring 6; a tank 7; and a riding wheel device 8.
Detailed Description
The following description of the embodiments of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is evident that the embodiments thus described are only some, but not all, of the preferred embodiments of the present utility model. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.
Example 1: please refer to fig. 1-3;
the utility model provides the following technical scheme: the large tank weld polishing device is applied to ring weld polishing of a cylindrical tank 7 lying on a riding wheel device 8 and comprises a vehicle body 1 with wheels 11 at the bottom; wherein the wheels 11 are provided with locking means which firmly hold the vehicle body 1 stationary in a predetermined position. The upper surface of the vehicle body 1 is fixedly connected with a vertical fixing frame 2; two profiling arc plate brackets 3 are hinged to one side surface of the upper part of the fixed frame 2 and used for enabling the profiling arc plate brackets 3 to swing; the polishing roller 4 is rotatably connected between the two profiling arc plate brackets 3, and the polishing roller 4 is connected with a driving mechanism for driving the polishing roller 4 to rotate so as to polish the welding seam; the profiling arc plate bracket 3 comprises an arc plate 31 corresponding to the shape of the outer wall of the tank 7, the concave side of the arc plate 31 is connected with at least two groups of support rollers 32, the polishing roller 4 is positioned between the two groups of support rollers 32, and is used for controlling the polishing roller 4 to keep a certain distance with the side wall of the tank 7 when the support rollers 32 prop up the outer wall of the tank 7; a hinge part 33 is fixedly connected to the convex side of the arc plate 31 and is used for hinging with the fixed frame 2.
The working principle is that the tank 7 is kept in a rotating state under the action of the riding wheel device 8. The car body 1 approaches to the welding line of the tank body 7 from the side of the tank body 7, drives the polishing roller 4 to be attached to the welding line, and the polishing roller 4 rotates to polish the welding line under the drive of the driving mechanism. Meanwhile, the swingable profiling arc plate bracket 3 is automatically adapted to the uneven condition of the outer wall of the tank body 7; and the supporting roller 32 on the profiling arc plate bracket 3 is propped against the outer wall of the tank body 7 and rotates along with the rotation of the tank body 7, and the polishing roller 4 on the profiling arc plate bracket 3 is supported to keep a certain distance from the side outer wall of the tank body 7, so that the damage to the tank body 7 caused by transitional polishing of the polishing roller 4 is avoided. The distance between the polishing roller 4 and the side outer wall of the tank 7 is controlled and maintained by the profiling arc plate bracket 3 and the supporting roller 32, so that the polishing amount of the polishing roller 4 is kept constant, and the welding line is polished uniformly and flatly. Meanwhile, the polishing tool is prevented from being held by a person for a long time, and the labor intensity is reduced. In addition, the polishing mechanism is arranged on the movable car body 1, so that the device can be moved integrally and is convenient to use.
Regarding the manner of driving the grinding roller 4 to rotate, at least including electric drive, hydraulic drive, etc., in this embodiment, the exemplary driving manner includes the motor 41 fixed on the hinge portion 33; the tail end of the output shaft of the motor 41 is connected with a first belt pulley 42; the first belt pulley 42 is connected with a second belt pulley 43 connected with one end of a rotating shaft 44 in the center of the grinding roller 4 through a belt to form a belt transmission mechanism, and the motor 41 is used for driving the grinding roller 4 to rotate through the belt transmission mechanism. The belt drive can adapt to load change, and is suitable for polishing uneven weld joints.
Although the profiling arc plate bracket 3 can be manually righted to overcome the gravity of the profiling arc plate bracket 3 and the connecting part thereof, the concave side of the arc plate 31 is opposite to the outer wall of the tank body 7. But more preferably, two ends of at least one spring are respectively connected to the hinge part 33 and the fixed frame 2, for controlling the concave side of the arc plate 31 to face the outer wall of the can 7. So that the posture of the profiling arc plate bracket 3 can automatically align the outer wall of the tank body 7.
Illustratively, at least two springs are provided, namely a tension spring 5 and a compression spring 6; the tension spring 5 and the compression spring 6 are respectively positioned above and below the hinge. It can be seen that the tension spring 5 pulls the profiling arc plate bracket 3 to tilt up from above, and the compression spring 6 pushes the profiling arc plate bracket 3 to tilt up from below so as to overcome the gravity of the profiling arc plate bracket 3 and the connecting parts thereof.
In order to enable the fixed frame 2 to be hinged with the profiling arc plate bracket 3, a pair of supports 21 are fixedly arranged on the side surface of the fixed frame 2; the support 21 and the hinge part 33 are provided with the same shaft hole; the hinge shaft 22 penetrates through shaft holes in the support 21 and the hinge part 33, and is used for coaxially hinging the two profiling guard plate brackets with the fixed frame 2.
In order to facilitate the observation of the working condition of the grinding roller 4, an observation window 23 is provided in the middle of the fixed frame 2.
In order to rotatably connect the polishing roller 4 to the profiling arc plate bracket 3, illustratively, the concave side of the arc plate 31 is fixedly provided with a rotating shaft seat 34; two ends of the rotating shaft 44 are respectively and rotatably inserted on the rotating shaft seat 34 and used for rotating the polishing roller 4; one end of the rotating shaft 44 passes through the rotating shaft seat 34 and is fixedly connected with the second belt pulley 43 for connecting the motor 41.
When in use, the vehicle body 1 is moved through the wheels 11, so that the concave side of the arc plate 31 is opposite to the outer wall of the tank 7, and the polishing roller 4 is opposite to the welding line; the motor 41 is then activated to drive the grinding roller 4 to rotate to grind the weld. Meanwhile, under the action of the supporting roller 32, the polishing roller 4 on the profiling arc plate bracket 3 is supported to keep a certain distance from the lateral outer wall of the tank body 7, so that the damage to the tank body 7 caused by transitional polishing of the polishing roller 4 is avoided.
The embodiment has the advantages that compared with the prior art:
(1) The device avoids the situation that a person holds the polishing tool for a long time, and reduces labor intensity.
(2) When the device polishes the welding line, the distance between the polishing roller 4 and the lateral outer wall of the tank 7 is controlled and maintained by the profiling arc plate bracket 3 and the supporting roller 32, so that the polishing amount of the polishing roller 4 is kept constant, and the welding line is polished uniformly and flatly.
(3) The polishing mechanism of the device is arranged on the movable car body 1, so that the device can be moved integrally and is convenient to use. Can be moved to the side surface of the tank body 7 after the welding is finished, and does not occupy the working site.
In a word, this embodiment can be even to the girth weld of large-scale jar body to grinding machanism is connected with bearing structure, avoids artifical long-time handheld operation, laborsaving convenience.
The utility model has not been described in detail in the prior art; it should be understood by those skilled in the art that any combination of the features of the foregoing embodiments may be adopted, and that all possible combinations of the features of the foregoing embodiments are not described for brevity of description, however, such combinations are not to be considered as a contradiction between the features. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. A large tank weld polishing device comprises a vehicle body (1) with wheels (11) at the bottom; the method is characterized in that: the upper surface of the vehicle body (1) is fixedly connected with a vertical fixing frame (2);
two profiling arc plate brackets (3) are hinged to one side surface of the upper part of the fixed frame (2), and the profiling arc plate brackets (3) can swing; the polishing roller (4) is rotatably connected between the two profiling arc plate brackets (3), and the polishing roller (4) is connected with a driving mechanism and is used for driving the polishing roller (4) to rotate so as to polish the welding seam;
the profiling arc plate bracket (3) comprises an arc plate (31) corresponding to the shape of the outer wall of the tank body (7), at least two groups of supporting rollers (32) are connected to the concave side of the arc plate (31), and the polishing roller (4) is positioned between the two groups of supporting rollers (32) and used for controlling the polishing roller (4) to keep a certain distance with the side wall of the tank body (7) when the supporting rollers (32) prop against the outer wall of the tank body (7); the convex side of the arc plate (31) is fixedly connected with a hinge part (33) which is used for being hinged with the fixed frame (2).
2. The large tank weld grinding device of claim 1, wherein: the driving mechanism comprises a motor (41) fixedly arranged on the hinge part (33); the tail end of an output shaft of the motor (41) is connected with a first belt pulley (42); the first belt pulley (42) is connected with a second belt pulley (43) connected with one end of a rotating shaft (44) at the center of the polishing roller (4) through a belt to form a belt transmission mechanism, and the motor (41) drives the polishing roller (4) to rotate through the belt transmission mechanism.
3. The large tank weld grinding device of claim 2, wherein: two ends of at least one spring are respectively connected to the hinge part (33) and the fixed frame (2) and used for controlling the concave side of the arc plate (31) to be opposite to the outer wall of the tank body (7).
4. A large tank weld grinding device as defined in claim 3, wherein: at least two springs are respectively a tension spring (5) and a compression spring (6); the tension spring (5) and the compression spring (6) are respectively positioned above and below the hinge.
5. The large tank weld grinding device of claim 4, wherein: a pair of supports (21) are fixedly arranged on the side face of the fixed frame (2); the support (21) and the hinge part (33) are provided with the same shaft hole; the hinge shaft (22) penetrates through shaft holes in the support (21) and the hinge part (33) and is used for coaxially hinging the two profiling arc plate brackets with the fixed frame (2).
6. The large tank weld grinding device of claim 5, wherein: an observation window (23) is arranged in the middle of the fixed frame (2).
7. The large tank weld grinding device of claim 6, wherein: a rotating shaft seat (34) is fixedly arranged on the concave side of the arc-shaped plate (31); two ends of the rotating shaft (44) are respectively and rotatably inserted on the rotating shaft seat (34) and used for rotating the polishing roller (4);
one end of the rotating shaft (44) penetrates through the rotating shaft seat (34) and is fixedly connected with the second belt pulley (43) for being connected with the motor (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322370463.4U CN220660222U (en) | 2023-09-01 | 2023-09-01 | Large tank weld polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322370463.4U CN220660222U (en) | 2023-09-01 | 2023-09-01 | Large tank weld polishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220660222U true CN220660222U (en) | 2024-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322370463.4U Active CN220660222U (en) | 2023-09-01 | 2023-09-01 | Large tank weld polishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220660222U (en) |
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2023
- 2023-09-01 CN CN202322370463.4U patent/CN220660222U/en active Active
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